Results 81 to 90 of about 108,841 (307)

Calculation of the same Lorentz factor using the opposite approach

open access: yesAIP Advances
This article extends the law of electromagnetic oscillation to form a theoretical system of spatial particles. According to this theory, the speed of light is variable and motion is absolute.
Wu Wang
doaj   +1 more source

On the Metric Lorentz Invariant Newtonian Cosmology

open access: yesUniverse
We review a metric theory of gravitation that combines Newtonian gravity with Lorentz invariance. Beginning with a conformastatic metric justified by the Weak Equivalence Principle.
Jaume de Haro
doaj   +1 more source

Defect‐Healed Au/rGO Coating for the Corrosion Protection of PEMFC Bipolar Plates

open access: yesAdvanced Materials Technologies, EarlyView.
 A defect‐healed gold/reduced graphene oxide (Au/rGO) coating is presented for stainless steel bipolar plates in polymer electrolyte membrane fuel cells. Gold nanoparticles nucleate at graphene oxide defects, blocking corrosive ion penetration and enhancing corrosion resistance, thereby ensuring durable fuel cell operation.
Jinmyeong Seo   +6 more
wiley   +1 more source

Unified evolution of electromagnetic sources in homogeneous fields

open access: yesPhysical Review Research
In this work, we study the behavior of elementary electromagnetic sources, i.e., pointlike electric charges and intrinsic magnetic dipoles, in the presence of homogeneous electromagnetic fields in a classical and covariant setting.
Ivanina Ilieva   +2 more
doaj   +1 more source

Nonlocal Coupling in Hybrid Bilayer Metasurfaces via Out‐of‐Plane Quadrupole Surface Lattice Resonance

open access: yesAdvanced Optical Materials, EarlyView.
A flexible metallic metasurface sticker is placed on a dielectric metasurface to study interlayer optical coupling. A bright quadrupolar surface lattice resonance in the top layer and a dark quadrupole mode in the bottom layer hybridize into symmetric and antisymmetric modes.
Tien Yang Lo   +3 more
wiley   +1 more source

Functional Forms for Lorentz Invariant Velocities

open access: yesMathematics
Lorentz invariance lies at the very heart of Einstein’s special relativity, and both the energy formula and the relative velocity formula are well-known to be invariant under a Lorentz transformation.
James M. Hill
doaj   +1 more source

Analysis of Electromagnetic Problems in the Presence of Non-uniform Movements [PDF]

open access: yesJournal of Microwaves, Optoelectronics and Electromagnetic Applications
Electromagnetic problems with moving structures are considered. For objects moving at a uniform velocity, the most popular technique used in the literature consists of a change of the reference frame and the utilization of Lorentz transformation of ...
Mohammad Marvasti, Halim Boutayeb
doaj   +1 more source

Spectrally Adjustable Narrowband Photonic Device Based on Heat‐Driven Amorphous‐to‐Crystal Transformation of Si

open access: yesAdvanced Photonics Research, EarlyView.
The change in the dielectric function from the heat‐driven amorphous‐to‐crystal Si transformation can be used to engineer large spectral adjustability of Si‐based multilayered narrowband photonic devices operating in the IR region. This effect can be utilized to accurately adjust the resonance wavelength of fabricated amorphous multilayered structures ...
David Hernández Pinilla   +6 more
wiley   +1 more source

Galilean relativity – Explained by means of the triangle solutions

open access: yesResults in Physics
This paper presents a novel approach to understanding relativity through the lens of the triangle solutions. Triangle solutions will serve as a mathematical model for relativity.
Shukri Klinaku
doaj   +1 more source

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